• MEAN WELL KNX-20E / KNX-40E KNX Power Supply (640 / 1280 mA)
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MEAN WELL KNX-20E / KNX-40E KNX Power Supply (640 / 1280 mA)

MEAN WELL KNX-20E / KNX-40E KNX Power Supply (640 / 1280 mA)

The KNX-20E and KNX-40E are EIB / KNX power supplies with integrated choke, rated 640 mA and 1280 mA.

Key features

  • AC input 180~264 VAC, no-load power consumption below 0.5 W, safety extra low voltage (SELV), isolation class I and over voltage category III
  • LED indicators for normal operation, bus reset and bus overload; compact 3SU/4SU width
  • Protections: short circuit, overload (short-circuit-proof) and over voltage
  • The D type adds a diagnostic function. 3-year warranty

Specifications

Vout 1 (with choke) Bus, 30 V
Vout 2 (without choke) 30 V
Iout (I1 + I2) 1280 mA
Input voltage 180~264 VAC
Options Blank (basic), D (diagnostic function)
Dimensions W72x H90x D57 mm
KNX-40E-1280 Vout 1 (with choke): Bus, 30 V | Vout 2 (without choke): 30 V | Iout (I1 + I2): 1280 mA | Input voltage: 180~264 VAC | Options: Blank (basic), D (diagnostic function) | Dimensions: W72x H90x D57 mm
KNX Power SuppliesMEAN WELL
1 product code available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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MEAN WELL KNX-20E / KNX-40E KNX Power Supply (640 / 1280 mA)

Brand MEAN WELL·KNX Power Supplies

Available part numbers (1)

KNX-40E-1280

How to order

Send the MEAN WELL part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codeSpec
KNX-40E-1280Vout 1 (with choke): Bus, 30 V | Vout 2 (without choke): 30 V | Iout (I1 + I2): 1280 mA | Input voltage: 180~264 VAC | Options: Blank (basic), D (diagnostic function) | Dimensions: W72x H90x D57 mm

Need a different model, or a part not listed here? Send us your parts list →

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